单项选择题
If a vessel takes a sudden severe list or trim from an unknown cause, you should first（）.
A.determine the cause before taking countermeasures B.assume the shift is due to off-center loading C.counterflood on the side opposite the list or trim D.assume the cause is environment forces
单项选择题 If a void occurs in the cargo hold, it is better to（）to control the broken stowage.
单项选择题 If reefer spaces are not properly cleaned prior to loading cargo, it will most likely cause（）.
单项选择题 If the buoyant force on a ship’s hull is equal to the displacement tonnage, the ship cause（）.
